This is kind of like a quantum physics stand up comedy. At very least a spirited exchange of divergent ideas. Boundary conditions in the Unruh problem http://xxx.lanl.gov/abs/hep-th/9906181 Comment on "Boundary conditions in the Unruh problem" http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=PRVDAQ000070000004048701000001&idtype=cvips&gifs=yes [Broken] REPLY TO 'COMMENT ON 'BOUNDARY CONDITIONS IN THE UNRUH PROBLEM' http://www-spires.slac.stanford.edu/spires/find/hep/www?key=5966868 [Broken] Spires was down when I copied these links. Should get you close. Anyways, the papers were very engaging.